ASDSO Dam Safety Toolbox

Montana

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In Montana, dams are regulated by the Montana Department of Natural Resources and Conservation (DNRC); Water Operations Division; Dam Safety Program. Learn more at their website: https://dnrc.mt.gov/Water-Resources/Dam-Safety/.


Montana Dam Safety Program YouTube Channel


Statutes, Rules & Regulations


Guidance Documents - Montana Specific

Technical Note 1 - Determination of the Inflow Design Flood for High Hazard Dams in Montana


Guidance Documents - Applicable to All

Seepage and Stability Modeling Guidance for Embankment Dams

This document provides practical guidance for dam owners and engineers on seepage and slope stability modeling of embankment dams. A must read for all modelers considering a model that supports a dam design decision.


Determining Baseflow for Inflow Design Floods

Psuedo-Calibration of a Runoff Model by Adjusting Basin Infiltration Parameters

Pseudo-Calibration of a Runoff Model by Adjusting Unit Hydrograph

Evaluating Spillway Capacity for Small Dams for a 500-year Storm

Using Prism to Estimate Precipitation for Storm Events


Lessons Learned / Case Studies